3-4b=8b-9

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Solution for 3-4b=8b-9 equation:


Simplifying
3 + -4b = 8b + -9

Reorder the terms:
3 + -4b = -9 + 8b

Solving
3 + -4b = -9 + 8b

Solving for variable 'b'.

Move all terms containing b to the left, all other terms to the right.

Add '-8b' to each side of the equation.
3 + -4b + -8b = -9 + 8b + -8b

Combine like terms: -4b + -8b = -12b
3 + -12b = -9 + 8b + -8b

Combine like terms: 8b + -8b = 0
3 + -12b = -9 + 0
3 + -12b = -9

Add '-3' to each side of the equation.
3 + -3 + -12b = -9 + -3

Combine like terms: 3 + -3 = 0
0 + -12b = -9 + -3
-12b = -9 + -3

Combine like terms: -9 + -3 = -12
-12b = -12

Divide each side by '-12'.
b = 1

Simplifying
b = 1

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